Python 3.10.9 (tags/v3.10.9:1dd9be6, Dec  6 2022, 20:01:21) [MSC v.1934 64 bit (AMD64)] on win32
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>>> k="how"
>>> str="Read as much as you can in English. No matter what it is, from cartoons to British literature anything counts."
>>> if k in str:
...     print("是"）
...           
SyntaxError: invalid character '）' (U+FF09)
>>> if k in str:
...     print("是")
... else:
...     print("否")
... 
...     
否
>>> m="no"
>>> str="Read as much as you can in English. No matter what it is, from cartoons to British literature anything counts."
>>> if m in str:
...     print("是")
... else:
...     print("否")
... 
...     
否
